National Weather Service Detroit/Pontiac MI
10:14 PM Wednesday July 26.
occasional wave height is the average of the highest 1/10 of the wave spectrum. synopsis, as the upper level low moves off to the east; surface low pressure , averaging 29.90 inches, moves into the ohio river valley. this low will drag a cold front through the the great lakes region tonight and thursday generating chances for showers and thunderstorms. high pressure, averaging 30.10 inches, builds over the area for friday and saturday.